50 республиканские эксперты, в области безопасности, подписали письмо, предупреждающее о том, что избрание республиканского кандидата навредит США.
An open letter signed by 50 Republican national security experts warned that party nominee Donald Trump "would be the most reckless president" in US history.
The group - which includes the former CIA director Michael Hayden - said Mr Trump "lacks the character, values and experience" to be president.
Mr Trump has broke with years of Republican foreign policy on a number of occasions.
http://www.bbc.com/news/election-us-2016-37016680